201023220320239 has 2 divisors, whose sum is σ = 201023220320240. Its totient is φ = 201023220320238.

The previous prime is 201023220320189. The next prime is 201023220320341. The reversal of 201023220320239 is 932023022320102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201023220320239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201023220320239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201023220320939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100511610160119 + 100511610160120.

It is an arithmetic number, because the mean of its divisors is an integer number (100511610160120).

Almost surely, 2^{201023220320239} is an apocalyptic number.

201023220320239 is a deficient number, since it is larger than the sum of its proper divisors (1).

201023220320239 is an equidigital number, since it uses as much as digits as its factorization.

201023220320239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 201023220320239 in words is "two hundred one trillion, twenty-three billion, two hundred twenty million, three hundred twenty thousand, two hundred thirty-nine".